S-90273A423 10-24 x 1 3/4" ASME B18.6.3 Steel Phillips Flat Head Screws
Steel Phillips Flat Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Enhanced corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
- Superior holding power with 60,000 psi tensile strength and Rockwell B70 hardness for reliable fastening in industrial applications
- Quick installation and flush finishing with standard flat head profile and 82° countersink angle for seamless surface integration
- Wide compatibility with UNC coarse threads and Class 2A fit ensuring easy engagement with standard mating components
- Efficient drive transfer through Phillips No. 2 drive design reducing cam-out during high-torque applications
- Full-length threading providing consistent grip along the entire 1-3/4" length for maximum load distribution
- Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH
Professional Applications & Engineering Value
These 10-24 UNC flat head screws deliver critical engineering solutions where flush surface mounting and high-strength fastening are paramount. The zinc-plated steel construction provides essential corrosion protection for machinery, electrical enclosures, and structural assemblies exposed to industrial atmospheres. The combination of coarse threading and Class 2A thread fit ensures rapid installation while maintaining precise tolerances, significantly reducing assembly time in high-volume manufacturing. The 82° countersink angle creates a seamless finish that eliminates protrusions in applications where aerodynamics or safety clearance are concerns. With full threading along the entire shank, these screws distribute clamping forces evenly, preventing joint failure in vibration-prone equipment.
Specification Summary & Compliance
Manufactured to exact inch system dimensions with Class 2A thread fit tolerances per UNC standards. These flat head Phillips screws comply with ASME B18.6.3 mechanical specifications and meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Thread specifications include 10-24 UNC coarse thread with right-hand direction, ensuring compatibility with standard industrial components and tooling systems.
